6.19.1 Top new questions this week

6.19.1.1 Create alphabet tracing worksheet
6.19.1.2 Aligning nested cases vertically
6.19.1.3 How can I draw plot curve with vectors and points using tex
6.19.1.4 How to tranch a 3D plot by x or y
6.19.1.5 Concrete Roman operator names
6.19.1.6 How do you center in the align environment?
6.19.1.7 Problem with aligned environment in latex?
6.19.1.1 Create alphabet tracing worksheet

https://tex.stackexchange.com/landing/r/digest?cta=question&id=542079

I want to reproduce these pages in order to teach children all the letters of the alphabet, 
I wonder if I could produce it in Latex instead of ordering a notebook 
on the internet ? 
Many thanks for  ... 
[tikz-pgf] [xetex] [alphabet]
 
asked by Clifford https://tex.stackexchange.com/landing/r/digest?cta=user&id=42951 7 votes
answered by SchrA~\[Paragraph]dinger's cat https://tex.stackexchange.com/landing/r/digest?cta=user&id=194703 11 votes
6.19.1.2 Aligning nested cases vertically

https://tex.stackexchange.com/landing/r/digest?cta=question&id=541612

I am trying to get something like the following: 
However, the code that I currently have makes the first brace too large vertically. It looks like this: 
Is there any way to amend this? Any ideas  ... 
[vertical-alignment] [alignment] [cases]
 
asked by susypeti https://tex.stackexchange.com/landing/r/digest?cta=user&id=170012 7 votes
answered by F. Pantigny https://tex.stackexchange.com/landing/r/digest?cta=user&id=163000 5 votes
6.19.1.3 How can I draw plot curve with vectors and points using tex

https://tex.stackexchange.com/landing/r/digest?cta=question&id=542265

How can I draw this curve with these vectors and points using tex. 
[tikz-pgf] [pgfplots] [diagrams]
 
asked by Rose https://tex.stackexchange.com/landing/r/digest?cta=user&id=214656 6 votes
answered by BambOo https://tex.stackexchange.com/landing/r/digest?cta=user&id=141947 15 votes
6.19.1.4 How to tranch a 3D plot by x or y

https://tex.stackexchange.com/landing/r/digest?cta=question&id=541894

When I use a 3D plot in class, I like representing first, 2D plots along each axis (as if I was "tranching" the 3D graph), and then explain the dynamic in 3D. The Final 3D plot is then easier to  ... 
[tikz-pgf] [pgfplots] [conditionals] [tikz-styles]
 
asked by Julien-Elie Taieb https://tex.stackexchange.com/landing/r/digest?cta=user&id=163874 6 votes
answered by SchrA~\[Paragraph]dinger's cat https://tex.stackexchange.com/landing/r/digest?cta=user&id=194703 4 votes
6.19.1.5 Concrete Roman operator names

https://tex.stackexchange.com/landing/r/digest?cta=question&id=541799

Using any of the Concrete Roman packages together with eulervm seems to produce operator names such as \sin and \cos being typeset with a bitmap font. How can I have these rendered with a vector font,  ... 
[fonts] [math-operators] [math-fonts]
 
asked by student https://tex.stackexchange.com/landing/r/digest?cta=user&id=214373 6 votes
answered by Sebastiano https://tex.stackexchange.com/landing/r/digest?cta=user&id=117876 5 votes
6.19.1.6 How do you center in the align environment?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=542153

I frequently see two-line alignments where the first line specifies the domain and codomain of maps and the second line describes how the maps act on elements, for example in the following sequence: 
... 
[vertical-alignment]
                                                                                  

                                                                                  
 
asked by Colescu https://tex.stackexchange.com/landing/r/digest?cta=user&id=119650 5 votes
answered by Vincent https://tex.stackexchange.com/landing/r/digest?cta=user&id=201628 6 votes
6.19.1.7 Problem with aligned environment in latex?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=542151

Why does [X] does not display? X would appear if I removed the brackets. Is that a bug? 
\begin{equation} 
\begin{aligned} 
[X] &= 1\\ 
[Y] &= 2, 
\end{aligned} 
\end{equation} 
[equations] [vertical-alignment] [align] [amsmath]
 
asked by Adam https://tex.stackexchange.com/landing/r/digest?cta=user&id=39739 5 votes
answered by Mico https://tex.stackexchange.com/landing/r/digest?cta=user&id=5001 4 votes